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cmux-cli

v0.13.1

Control cmux (terminal multiplexer / workspace manager) from the command line. Manage windows, workspaces, panes, surfaces, and tabs; send keystrokes; read screen output; split panes; wait on and verify work through the cmux event stream; drive the embedded browser; send notifications. Triggers on mentions of cmux, workspaces, panes, surfaces, tabs, splits, or requests to send input to / read output from a cmux session.

Claude Code3 Skills

By JT Sternberg5 GitHub starsUpdated 2 days ago

Directory evidence

Runtimes
Claude Code
Parsed components
3 skill or MCP entries
Source updated
Sep 21, 2026
Manifest status
Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install cmux-cli for Claude Code

Installs for the current user
claude plugin marketplace add IchenDEV/agent-plugin-mkt
claude plugin marketplace update agent-plugin-marketplace
claude plugin install cmux-cli@agent-plugin-marketplace

Paste and run these commands in a terminal with Claude Code. They add and refresh the PluginsMP catalog, then install this plugin.

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually
git clone https://github.com/jtsternberg/claude-plugins

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The plugin root is plugins/cmux-cli/.

Plugin files

plugins/cmux-cli/
├── .claude-plugin/plugin.json
├── skills/auto-rename/SKILL.md
├── skills/send-at/SKILL.md
└── skills/using-cmux-cli/SKILL.md

Included Skills3

auto-renameskills/auto-rename/SKILL.md

Rename cmux tabs or workspaces to meaningful names — 'rename this tab', 'auto-rename', 'fix these tab names' — or when default/stale names (zsh, bash, node) should reflect what's actually running.

send-atskills/send-at/SKILL.md

Wait until a target time within THIS live cmux-resident agent session, then deliver a prompt into one exact cmux surface (by UUID) and do a basic read-screen check. For 'send this at 3pm', 'in 30 minutes send X to surface <uuid>', 'schedule a prompt into that cmux surface', deferred/timed keystroke or prompt delivery into a specific cmux tab. Same-session best-effort timer, not a durable cron — it fires only while this session and the Mac stay alive.

using-cmux-cliskills/using-cmux-cli/SKILL.md

Drives cmux (macOS terminal multiplexer) via the `cmux` CLI — windows, workspaces, panes, tabs, sending keystrokes and reading terminal output, the cmux event stream for waiting on and verifying work, embedded browser, notifications, sidebar progress, layouts.

Plugin manifests1

plugins/cmux-cli/.claude-plugin/plugin.json
{
  "name": "cmux-cli",
  "description": "Control cmux (terminal multiplexer / workspace manager) from the command line. Manage windows, workspaces, panes, surfaces, and tabs; send keystrokes; read screen output; split panes; wait on and verify work through the cmux event stream; drive the embedded browser; send notifications. Triggers on mentions of cmux, workspaces, panes, surfaces, tabs, splits, or requests to send input to / read output from a cmux session.",
  "version": "0.13.1",
  "author": {
    "name": "JT Sternberg",
    "url": "https://github.com/jtsternberg"
  }
}

For maintainers

If you maintain this plugin, link to this source-backed listing from your README so users can review its manifest and indexed components.

[cmux-cli on Agent Plugins Marketplace](https://pluginsmp.com/plugins/cmux-cli)